pub struct LockManager { /* private fields */ }Expand description
Internal lock manager handling different database backends.
Implementations§
Source§impl LockManager
impl LockManager
pub fn new(engine: DbEngine, pool: DbPool, dsn: String) -> Self
Sourcepub async fn lock(
&self,
module: &str,
key: &str,
) -> Result<DbLockGuard, DbLockError>
pub async fn lock( &self, module: &str, key: &str, ) -> Result<DbLockGuard, DbLockError>
Acquire an advisory lock for {module}:{key} (blocking for PG/MySQL).
Returns a guard that releases the lock when dropped (best-effort) or
deterministically when release().await is called.
§Errors
Returns DbLockError if the lock cannot be acquired.
Sourcepub async fn try_lock(
&self,
module: &str,
key: &str,
config: LockConfig,
) -> Result<Option<DbLockGuard>, DbLockError>
pub async fn try_lock( &self, module: &str, key: &str, config: LockConfig, ) -> Result<Option<DbLockGuard>, DbLockError>
Try to acquire an advisory lock with retry/backoff policy.
Returns:
Ok(Some(guard))if lock acquiredOk(None)if timed out or attempts exceededErr(e)on unrecoverable error
§Errors
Returns DbLockError on unrecoverable lock errors.
Auto Trait Implementations§
impl Freeze for LockManager
impl RefUnwindSafe for LockManager
impl Send for LockManager
impl Sync for LockManager
impl Unpin for LockManager
impl UnwindSafe for LockManager
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